23416649 has 2 divisors, whose sum is σ = 23416650. Its totient is φ = 23416648.

The previous prime is 23416637. The next prime is 23416663. The reversal of 23416649 is 94661432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 1392400 = 4693^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 23416649 - 2¹⁶ = 23351113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23416609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11708324 + 11708325.

It is an arithmetic number, because the mean of its divisors is an integer number (11708325).

Almost surely, 2^23416649 is an apocalyptic number.

It is an amenable number.

23416649 is a deficient number, since it is larger than the sum of its proper divisors (1).

23416649 is an equidigital number, since it uses as much as digits as its factorization.

23416649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 23416649 is about 4839.0752215687. The cubic root of 23416649 is about 286.0936699066.

The spelling of 23416649 in words is "twenty-three million, four hundred sixteen thousand, six hundred forty-nine".